Home / 15,132,338.64-20,876,627.07-9,321,042.24

Finding the Fourth Proportional to 15,132,338.64, 20,876,627.07 and 9,321,042.24

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Solution

The fourth proportional to 15,132,338.64, 20,876,627.07 and 9,321,042.24 is: 12,859,342.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,132,338.64 : 20,876,627.07 = 9,321,042.24 : x
  2. Step 2: Convert to fraction form
    15,132,338.64/20,876,627.07 = 9,321,042.24/x
  3. Step 3: Cross multiply
    15,132,338.64x = 20,876,627.07 × 9,321,042.24
  4. Step 4: Simplify right side
    15,132,338.64x = 194,591,922,748,197.44
  5. Step 5: Solve for x
    x = 194,591,922,748,197.44/15,132,338.64
  6. Step 6: Final answer
    x = 12,859,342.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.